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| While the original Do 28 series had an advantage over the Do 27 by providing twin-engine safety and enhanced performance, it did not have any more internal space, the cabin dimensions being identical to those of its predecessor. Financial assistance provided by the German Ministry of Economics helped Dornier to develop the layout into a bulkier, higher-powered STOL transport which could carry up to 13 passengers and this redesigned version was designated Dornier Do 28D, later being named Skyservant. The redesign was so drasticthat, apart from the layout and designation, the Do 28D bore little resemblance to the Do 28B. The prototype flew on 23 February 1966, receiving type approval a year later. Developed as the Do 28D-1, the type won FAA certification on 19 April 1968 and military type approval in January 1970. Orders for 125 were placed for the German Luftwaffe and Bundesmarine, and other military deliveries have been made to Ethiopia, Morocco, Nigeria, Turkey and Zambia. More than 220 Skyservants are in operation world-wide.
A Do 28D-1 set several class records for piston-engined business aircraft in 1972, including an altitude of 8624m with a 1000kg payload, as well as several time-to-height records. It was followed by the Do 28D-2, which introduced a number of refinements, and in 1980, a Luftwaffe Do 28D-2 was re-engined with Avco Lycoming TIGO-540 turbocharged engines under a contract from the German Federal Ministry of Defence prior to upgrading that country's military Skyservants; the new designation was Do 28D-2T.
Further development of the basic Do 28D design continued under a new designation: Do 128 Skyservant. Two
basic designs were offered, the Do 128-2 and Do 128-6. Both 10-passen-ger models, the main difference was in powerplant, the Do 128-2 having two Avco Lycoming IGSO-540 piston engines and the Do 128-6 two 298kW Pratt & Whitney PT6A-110 turboprops. The latter had first been seen in prototype form as the Do 28D-5X, known then as the TurboSky and powered by two 447kW Avco Lycoming LTP 101-600-1A turboprops flat-rated to 298kW. The Do 128-6 had, in addition, a new fuel tank, reinforcements to the underwing engine supports and other modifications. Orders and options for 30 Do 128-6s from African customers were announced, the first going to Lesotho Airways. A variant of the Do 128-6 was also delivered to Cameroun for maritime patrol work, equipped with a 360° MEL Marec surveillance radar. Production ceased in the mid-1980s.
| MODEL | Do 128-2 |
| ENGINE | 2 x Avco Lycoming IGSO-540-A1E, 283kW |
| WEIGHTS |
| Take-off weight | 3842 kg | 8470 lb |
| Empty weight | 2346 kg | 5172 lb |
| DIMENSIONS |
| Wingspan | 15.55 m | 51 ft 0 in |
| Length | 11.41 m | 37 ft 5 in |
| Height | 3.9 m | 13 ft 10 in |
| Wing area | 29 m2 | 312.15 sq ft |
| PERFORMANCE |
| Max. speed | 325 km/h | 202 mph |
| Cruise speed | 211 km/h | 131 mph |
| Ceiling | 7680 m | 25200 ft |
| Range | 642 km | 399 miles |
 | A three-view drawing (1161 x 1698) |
| Sofian Manullang, e-mail, 02.10.2017 06:34 Hello,
Can you please advise supplier to buy Dornier DO 28 D1 spare part? I need some spare part for our maintenance. reply |
| Mike monroe, e-mail, 06.03.2017 12:20 I have do28 parts new in boxs and plastic wrappers please call mike Monroe 608-332-5530 reply | | Jim salazar, e-mail, 17.11.2016 05:26 Hello if anyone has any spare parts manuals or people that can provide technical assistance on dornier 28 Do please contact me at jim Salazar 1@hotmail.com your time is greatly appreciated. reply |
| David, e-mail, 14.06.2014 05:54 I have some New Old Stock spares for the Do 28D if anyone is interested? Includes landing gear (main and tail), Flight control surfaces, Windscreen and cockpit side windows as well as some IGSO-540 parts. reply | |
| | p landers, e-mail, 17.12.2013 18:34 I flew one ride at Wunstorf in 1984 while there for a Berlin Airlift exercise. Performance was good, but the noise was barely tolerable. reply |
| John Fuller, e-mail, 10.09.2013 08:52 We actually own and operate Do28 D-2 s /n 4155 N273PA, probably the only one flying in the U.S. I am getting some interest from people in buying one (ours is not for sale), so if you know of any, please advise. Also, an acquaintance is rebuilding a D-1 in Alaska, so any sources of parts (particularly magnesium fittings) would be welcome information.
If you are looking for engines, which is the biggest operational issue with these planes, we had ours overhauled at Central Cylinder in Omaha, NB after an extensive search for the outfit with the best reputation. Great results so far. reply | | brad crossman, e-mail, 17.08.2012 04:45 hi aim or looking for some imformation on the dornier,i am building a rc model 2.200 metres wing span / question / / are the front wing slots retracable or fixed in one position /and also wood working flaps be a advantage in a model plane / send comments to my address reply | | mali, 20.06.2011 14:03 I need a good one, no junk. thanks. You can contact me at CFBaircraft at CFBaircraft.de reply | | A Joel Eisenberg, e-mail, 25.04.2011 19:33 Am interested in buying a Dornier 28 Skyservant for part 135 scheduled air service joel@eisenberg.net +1 206 722 3333 reply | | Fidel Maldonado, e-mail, 13.01.2011 20:23 Muy buenas tardes!! estoy interesado en el numero del STC para la modificacion de un DORNIER DO28 de Motores a Piston a Turbinas PWC PT6A!!? Saludos Ygracias reply | | aaron dengate, e-mail, 04.05.2010 18:36 i use to see german navy skyservents fly in manston from time to time the german aiforce ones were very rare at manston the last one in at manston was 5925 flying back from yeovilton to go back to kiel reply | | Ticky Hernandez, e-mail, 25.12.2009 02:36 I flew the DO-28D out of San Juan, PR, for a short while may years ago. We carried passengers with them, but people conplained it was too noisy so they were sold out. It is a great freighter. reply |
| Christoph Frey, e-mail, 29.06.2009 04:02 Hi,
I´m looking for a EU or ideally German Registered Do 128 or 28 to purchase or ideally dry lease.. Does anyone know where I can get one ? The aircraft shall be used for commercial purpose so I need a good one, no junk. thanks. You can contact me at CFBaircraft at CFBaircraft.de reply | | ward faes, e-mail, 15.06.2009 20:23 wat is the unit cost??? reply | |
| | Manuel Calleja, e-mail, 18.11.2008 21:17 Hello,
My name is Manuel Calleja, from Mexico. I am very interested on buying one or two engines for my Dornier Do-28. I am looking for the Lycoming GSIO-540-AIE model. Please, If you have some information about this kind of engines, send me and email. I am willing to buy at least a complete one.
Regards,
Manuel Calleja reply | | RAFAEL BURGUETE, e-mail, 29.09.2008 08:33 we have a Dornier 28 we like if you have aby infromation fo make modification for the engines for make a turbopro reply | | Gerhard Riedl, e-mail, 27.05.2008 05:33 There is a model missing. Between the Do27 and the development of the Do28, Dornier in Aubing west of Munich worked on a twin engine pusher prop aircraft that could rotated gearbox and props downward for vertical Take off or near vertical T /O. I don't remember the model's name anymore. Can anyone help? reply | | B.Weinberger, e-mail, 25.09.2007 21:28 We have 5 Dornier 28 Sky Servant to be sold. Pls contact us
is interested. BR reply |
| Roy Tassell, e-mail, 31.08.2007 20:40 I know of a Canadian owned version on floats. Were there any more floatplanes ?
Cheers Roy. reply | | Lt Col C Salimu, e-mail, 29.08.2007 13:09 What is the Calendar life Span of the Dornier 28-1 Sky Servant? How many are still in service inside Germany? reply |
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Sofian Manullang
Hello Sofian,
I am having some new boxed Do28-128 parts, for sale.
If you are interested kindly call +2348032349603
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